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Ductile Iron conforming to ASTM A536 Grade 65-45-12), Bolts conforming to ASTM A183 and Nuts conforming to ASTM A194.
·Rigid Coupling provides rigid joints to prevent liner movement of pipe assembly. With a unique ends locked design, this coupling can be used when the application or design calls for rigid installation.
· Rigid Coupling provides rigidity for valve connections, machinery rooms, fire mains and long straight runs.Performance data showed below is based on use with standard wall, carbon steel pipe.
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Red color/ Galvanized finish/ White color/ Blue color